Curable siloxane resin compositions

Claim 2

FROM ABOUT 0.01 TO ABOUT 5 PERCENT BY WEIGHT BASED UPON THE TOTAL WEIGHT OF (A) AND (B) OF A LEAD COMPOUND SELECTED FROM THE GROUP LEAD CARBONATE, LEAD MONOXIDE, AND MIXTURES THEREOF; AND

Claim 3

A COMPOSITION COMPRISING (A) AN UNCURED SILICONE RESIN CONTAINING AT LEAST 0.25 PERCENT BY WEIGHT OF SILICON-BONDED GROUPS SELECTED FROM THE CLASS CONSISTING OF HYDROXYL GROUPS, LOWER ALKOXY GROUPS, AND MIXTURES THEREOF OF THE AVERAGE UNIT FORMULA,

Claim 4

A COMPOSITION COMPRISING (A) AN UNCURED SILICONE RESIN CONTAINING AT LEAST 0.25 PERCENT BY WEIGHT OF SILICON-BONDED GROUPS SELECTED FROM THE CLASS CONSISTING OF HYDROXYL GROUPS, LOWER ALKOXY GROUPS, AND MIXTURES THEREOF OF THE AVERAGE UNIT FORMULA,

Claim 5

CARBOXYLIC ACID ANHYDRIDE IN AN AMOUNT SUFFICIENT TO SUPPLY AT LEAST ABOUT 0.25 CARBOXYLIC ACID ANHYDRIDE GROUPS PER MOLE OF (1) WHEREIN SAID UNCURED SILICONE RESIN IS PREPARED BY THE PROCESS COMPRISING, IN COMBINATION, THE STEPS OF, A. AGITATING A MIXTURE OF

Claim 6

CARBOXYLIC ACID ANHYDRIDE IN AN AMOUNT SUFFICIENT TO SUPPLY AT LEAST ABOUT 0.25 CARBOXYLIC ACID ANHYDRIDE GROUPS PER MOLE OF (1) WHEREIN SAID UNCURED SILICONE RESIN IS PREPARED BY THE PROCESS COMPRISING, IN COMBINATION, THE STEPS OF, A. AGITATING A MIXTURE OF

Claim 7

carboxylic acid anhydride in an amount sufficient to supply at least about 0.25 carboxylic acid anhydride groups per mole of (1) wherein said uncured silicone resin is prepared by the process comprising, in combination, the steps of, A. agitating a mixture of

Claim 8

carboxylic acid anhydride in an amount sufficient to supply at least about 0.25 carboxylic acid anhydride groups per mole of (1) wherein said uncured silicone resin is prepared by the process comprising, in combination, the steps of, A. agitating a mixture of

Claim 9

The composition of claim 1 wherein said lead compound is present in an amount from about 0.1 to about 1 percent by weight based upon the total weight of (a) and (b).

Claim 10

a siloxane fluid having the average unit formula, Rx4(HO)y(OR4)zSiO4-x-y-z/2 where R4 aNd (OR4) are defined as R3 and (OR3), respectively are defined above; x has a value of 1 to 3 and where x has a value of less than 1.8 there are at least 5 percent by weight based upon the weight of the siloxane compound of HO and (OR4) groups in the siloxane compound; y has a value of 0 to 2; z has a value of 0 to 2, and the sum of y + z has a value of 0.02 to 2; and

Claim 11

a siloxane fluid having the average unit formula, Rx4(HO)y(OR4)zSiO4-x-y-z/2 where R4 aNd (OR4) are defined as R3 and (OR3), respectively are defined above; x has a value of 1 to 3 and where x has a value of less than 1.8 there are at least 5 percent by weight based upon the weight of the siloxane compound of HO and (OR4) groups in the siloxane compound; y has a value of 0 to 2; z has a value of 0 to 2, and the sum of y + z has a value of 0.02 to 2; and

Claim 12

a carboxylic acid anhydride in an amount sufficient to supply at least about 0.25 carboxylic acid anhydride groups per mole of (1); c. from about 0.5 percent to about 10 percent by weight based upon the total weight of the siloxane resin (a) of at least one material selected from the group consisting of i. a silane of the formula Rt3(OH)u(OR3)vSi where R3 is selected from the group consisting of lower alkyl radicals having one to eight carbon atoms; cycloalkyl radicals having from five to seven carbon atoms in the ring; lower alkenyl radicals having two to eight carbon atoms; mononuclear aryl radicals; mononuclear aryl lower alkyl radicals having one to six carbon atoms in the alkyl group; and halogenated derivatives of the above radicals; OR3 is a lower alkoxy radical containing from one to eight carbon atoms per radical; t has a value of 1 to 3, u has a value of 0 to 3; v has a value of 0 to 3; and the sum of u + v has a value of 1 to 3; ii. a siloxane fluid having the average unit formula, Rx4(HO)y(OR4)zSiO4-x-y-z/2 where R4 and (OR4) are defined as R3 and (OR3), respectively above, x has a value of 1 to 3 and where x has a value of less than 1.8 there are at least 5 percent by weight based on the weight of the siloxane compound of HO and (OR4) groups in the siloxane compound; y has a value of 0 to 2; z has a value of 0 to 2; and the sum of y + z has a value of 0.02 to 2; and iii. mixtures thereof; and d. a filler, and wherein said uncured silicone resin (a) is prepared by the process comprising, in combination, the steps of, A. agitating a mixture of

Claim 13

a carboxylic acid anhydride in an amount sufficient to supply at least about 0.25 carboxylic acid anhydride groups per mole of (1); c. from about 0.5 percent to about 10 percent by weight based upon the total weight of the siloxane resin (a) of at least one material selected from the group consisting of i. a silane of the formula Rt3(OH)u(OR3)vSi where R3 is selected from the group consisting of lower alkyl radicals having one to eight carbon atoms; cycloalkyl radicals having from five to seven carbon atoms in the ring; lower alkenyl radicals having two to eight carbon atoms; mononuclear aryl radicals; mononuclear aryl lower alkyl radicals having one to six carbon atoms in the alkyl group; and halogenated derivatives of the above radicals; OR3 is a lower alkoxy radical containing from one to eight carbon atoms per radical; t has a value of 1 to 3, u has a value of 0 to 3; v has a value of 0 to 3; and the sum of u + v has a value of 1 to 3; ii. a siloxane fluid having the average unit formula, Rx4(HO)y(OR4)zSiO4-x-y-z/2 where R4 and (OR4) are defined as R3 and (OR3), respectively above, x has a value of 1 to 3 and where x has a value of less than 1.8 there are at least 5 percent by weight based on the weight of the siloxane compound of HO and (OR4) groups in the siloxane compound; y has a value of 0 to 2; z has a value of 0 to 2; and the sum of y + z has a value of 0.02 to 2; and iii. mixtures thereof; and d. a filler, and wherein said uncured silicone resin (a) is prepared by the process comprising, in combination, the steps of, A. agitating a mixture of

Claim 14

an organohalosilane,

Claim 15

an organohalosilane,

Claim 16

mixtures thereof.

Claim 17

mixtures thereof.

Claim 18

The composition of claim 1 wherein the anhydride is present in an amount sufficient to provide at least about 0.35 carboxylic acid anhydride groups per mole of lead compound.

Claim 19

organohalosilane,

Claim 20

organohalosilane,

Claim 21

ORGANOHALOSILANE,

Claim 22

ORGANOHALOSILANE,

Claim 23

FROM ABOUT 1.7 PARTS TO ABOUT 10 PARTS BY WEIGHT OF WATER, PER PART OF ORGANOHALOSILANE,

Claim 24

FROM ABOUT 1.7 PARTS TO ABOUT 10 PARTS BY WEIGHT OF WATER, PER PART OF ORGANOHALOSILANE,

Claim 25

from about 1.7 parts to about 10 parts by weight of water, per part of organohalosilane,

Claim 26

from about 1.7 parts to about 10 parts by weight of water, per part of organohalosilane,

Claim 27

The composition of claim 1 wherein q has a value of 0.2 to 0.55; r has a value of 0.2 to 0.55; s has a value of 1.05 to 1.45.

Claim 28

from abouT 1.7 parts to about 10 parts by weight of water, per part of organohalosilane,

Claim 29

from abouT 1.7 parts to about 10 parts by weight of water, per part of organohalosilane,

Claim 30

from about 0.2 to about 5 parts by weight of acetone, per part of organohalosilane,

Claim 31

from about 0.2 to about 5 parts by weight of acetone, per part of organohalosilane,

Claim 32

The composition of claim 1 wherein the resin contains from 4 to 12 percent of silicon-bonded groups selected from the class consisting of hydroxyl groups and alkoxy groups.

Claim 33

from about 0.2 to about 5 parts by weight of acetone, per part of organohalosilane,

Claim 34

from about 0.2 to about 5 parts by weight of acetone, per part of organohalosilane,

Claim 35

FROM ABOUT 0.2 TO ABOUT 5 PARTS BY WEIGHT OF ACETONE, PER PART OF ORGANOHALOSILANE,

Claim 36

FROM ABOUT 0.2 TO ABOUT 5 PARTS BY WEIGHT OF ACETONE, PER PART OF ORGANOHALOSILANE,

Claim 37

FROM ABOUT 0.3 PARTS TO ABOUT 5 PARTS BY WEIGHT OF A WATER IMMISCIBLE ORGANIC SOLVENT, PER PART OF ORGANOHALOSILANE, AND

Claim 38

FROM ABOUT 0.3 PARTS TO ABOUT 5 PARTS BY WEIGHT OF A WATER IMMISCIBLE ORGANIC SOLVENT, PER PART OF ORGANOHALOSILANE, AND

Claim 39

from about 0.3 part to about 5 parts by weight of a water immiscible organic solvent, per part of organohalosilane, and

Claim 40

from about 0.3 part to about 5 parts by weight of a water immiscible organic solvent, per part of organohalosilane, and

Claim 41

The composition of claim 1 further characterized by the addition of from about 0.5 percent to about 10 percent by weight based upon the total weight of the siloxane resin of at least one material selected from the group consisting of

Claim 42

from about 0.3 to about 5 parts by weight of a water immiscible organic solvent per part of organohalosilane, and

Claim 43

from about 0.3 to about 5 parts by weight of a water immiscible organic solvent per part of organohalosilane, and

Claim 44

from 0 to about one mole of an aliphatic monohydric alcohol having from one to eight carbon atoms, per mole of halogen attached to the silicon of the organohalosilane, B. separating an organic solvent solution of an uncured silicone resin having an average ratio from about 1 to 1.8 organo radicals per silicon atom from the resulting hydrolysis mixture, said organohalosilane being selected from the group consisting of

Claim 45

from 0 to about one mole of an aliphatic monohydric alcohol having from one to eight carbon atoms, per mole of halogen attached to the silicon of the organohalosilane, B. separating an organic solvent solution of an uncured silicone resin having an average ratio from about 1 to 1.8 organo radicals per silicon atom from the resulting hydrolysis mixture, said organohalosilane being selected from the group consisting of

Claim 46

The composition of claim 1 wherein the sum of q + r has a value of 0.2 to 0.55.

Claim 47

from 0 to about one mole of an aliphatic monohydric alcohol having from one to eight carbon atoms, per mole of halogen attached to the silicon of the organohalosilane, B. separating an organic solvent solution of an uncured silicone resin having an average ratio from about 1 to 1.8 organo radicals per silicon atom from the resulting hydrolysis mixture, said organohalosilane being selected from the group consisting of,

Claim 48

from 0 to about one mole of an aliphatic monohydric alcohol having from one to eight carbon atoms, per mole of halogen attached to the silicon of the organohalosilane, B. separating an organic solvent solution of an uncured silicone resin having an average ratio from about 1 to 1.8 organo radicals per silicon atom from the resulting hydrolysis mixture, said organohalosilane being selected from the group consisting of,

Claim 49

FROM 0 TO ABOUT ONE MOLE OF AN ALIPHATIC MONOHYDRIC ALCOHOL HAVING FROM ONE TO EIGHT CARBON ATOMS, PER MOLE OF HALOGEN ATTACHED TO THE SILICON OF THE ORGANOHALOSILANE, B. SEPARATING AN ORGANIC SOLVENT SOLUTION OF AN UNCURED SILICONE RESIN HAVING AN AVERAGE RATIO FROM ABOUT 1 TO 1.8 ORGANO RADICALS PER SILICON ATOM FROM THE RESULTING HYDROLYSIS MIXTURE, SAID ORGANOHALOSILANE BEING SELECTED FROM THE GROUP CONSISTING OF,

Claim 50

FROM 0 TO ABOUT ONE MOLE OF AN ALIPHATIC MONOHYDRIC ALCOHOL HAVING FROM ONE TO EIGHT CARBON ATOMS, PER MOLE OF HALOGEN ATTACHED TO THE SILICON OF THE ORGANOHALOSILANE, B. SEPARATING AN ORGANIC SOLVENT SOLUTION OF AN UNCURED SILICONE RESIN HAVING AN AVERAGE RATIO FROM ABOUT 1 TO 1.8 ORGANO RADICALS PER SILICON ATOM FROM THE RESULTING HYDROLYSIS MIXTURE, SAID ORGANOHALOSILANE BEING SELECTED FROM THE GROUP CONSISTING OF,

Claim 51

ORGANOTRIHALOSILANE,

Claim 52

ORGANOTRIHALOSILANE,

Claim 53

organotrihalosilane,

Claim 54

organotrihalosilane,

Claim 55

A composition comprising a. an uncured silicone resin containing at least 0.25 percent by weight of silicon-bonded groups selected from the class consisting of hydroxyl groups, lower alkoxy groups, and mixtures thereof of the average unit formula, (OH)q(OR)rRsSiO4-q-r-s/2, where R is selected from the class comprising lower alkyl radicals having one to eight carbon atoms; cycloalkyl radicals having five to seven carbon atoms in the ring; lower alkenyl radicals having two to eight carbon atoms; mononuclear aryl radicals; mononuclear aryl lower alkyl radicals having one to six carbon atoms in the alkyl group; and halogenated derivatives of the above radicals; (OR) is a lower alkoxy radical containing from one to eight carbon atoms per radical; q has a value of 0 to 1.0; r has a value of 0 to 1.0; s has a value of 1.0 to 1.8; and the sum of q + r has a value of 0.01 to 1.0; and a catalytic amount of b. a catalytst system comprising,

Claim 56

A composition comprising a. an uncured silicone resin containing at least 0.25 percent by weight of silicon-bonded groups selected from the class consisting of hydroxyl groups, lower alkoxy groups, and mixtures thereof of the average unit formula, (OH)q(OR)rRsSiO4-q-r-s/2, where R is selected from the class comprising lower alkyl radicals having one to eight carbon atoms; cycloalkyl radicals having five to seven carbon atoms in the ring; lower alkenyl radicals having two to eight carbon atoms; mononuclear aryl radicals; mononuclear aryl lower alkyl radicals having one to six carbon atoms in the alkyl group; and halogenated derivatives of the above radicals; (OR) is a lower alkoxy radical containing from one to eight carbon atoms per radical; q has a value of 0 to 1.0; r has a value of 0 to 1.0; s has a value of 1.0 to 1.8; and the sum of q + r has a value of 0.01 to 1.0; and a catalytic amount of b. a catalytst system comprising,

Claim 57

an organotrihalosilane,

Claim 58

an organotrihalosilane,

Claim 59

a mixture of organotrihalosilane and diorganodihalosilane

Claim 60

a mixture of organotrihalosilane and diorganodihalosilane

Claim 61

a mixture of organotrihalosilane and diorganodihalosilane,

Claim 62

a mixture of organotrihalosilane and diorganodihalosilane,

Claim 63

A MIXTURE OF ORGANOTRIHALOSILANE AND DIORGANODIHALOSILANE,

Claim 64

A MIXTURE OF ORGANOTRIHALOSILANE AND DIORGANODIHALOSILANE,

Claim 65

A REACTION PRODUCT OF AN ALIPHATIC MONOHYDRIC ALCOHOL HAVING FROM ONE TO EIGHT CARBON ATOMS AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF ORGANOTRIHALOSILANE, AND A MIXTURE OF ORGANOTRIHALOSILANE AND DIORGANODIHALOSILANES; WHICH REACTION PRODUCT HAS AN AVERAGE RATIO OF UP TO ONE ALKOXY RADICAL PER HALOGEN RADICAL,

Claim 66

A REACTION PRODUCT OF AN ALIPHATIC MONOHYDRIC ALCOHOL HAVING FROM ONE TO EIGHT CARBON ATOMS AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF ORGANOTRIHALOSILANE, AND A MIXTURE OF ORGANOTRIHALOSILANE AND DIORGANODIHALOSILANES; WHICH REACTION PRODUCT HAS AN AVERAGE RATIO OF UP TO ONE ALKOXY RADICAL PER HALOGEN RADICAL,

Claim 67

a reaction product of an aliphatic monohydric alcohol having from one to eight carbon atoms and a member selected from the group consisting of organotrihalosilane, and a mixture of organotrihalosilane and diorganodihalosilanes; which reaction product has an average ratio of up to one alkoxy radical per halogen radical,

Claim 68

a reaction product of an aliphatic monohydric alcohol having from one to eight carbon atoms and a member selected from the group consisting of organotrihalosilane, and a mixture of organotrihalosilane and diorganodihalosilanes; which reaction product has an average ratio of up to one alkoxy radical per halogen radical,

Claim 69

a reaction product of an aliphatic monohydric alcohol having from one to eight carbon atoms and a member selected from the group consisting of organotrihalosilane, and a mixture of organotrihalosilane and diorganodihalosilanes; which reaction product has an average ratio of up to one alkoxy radical per halogen radical,

Claim 70

a reaction product of an aliphatic monohydric alcohol having from one to eight carbon atoms and a member selected from the group consisting of organotrihalosilane, and a mixture of organotrihalosilane and diorganodihalosilanes; which reaction product has an average ratio of up to one alkoxy radical per halogen radical,

Claim 71

a mixture of the reaction product of (10) and a member selected from the organotrihalosilane and diorganodihalosilane, and where the organo radicals of the organohalosilane and said uncured siloxane resin are attached to silicon by carbon-silicon linkages and are selected from the group consisting of the radicals defined by R hereinabove.

Claim 72

a mixture of the reaction product of (10) and a member selected from the organotrihalosilane and diorganodihalosilane, and where the organo radicals of the organohalosilane and said uncured siloxane resin are attached to silicon by carbon-silicon linkages and are selected from the group consisting of the radicals defined by R hereinabove.

Claim 73

a mixture of the reaction product of (10) and a member selected from the organotrihalosilane and diorganodihalosilane, and where the organo radicals of the organohalosilane and said uncured silicone resin are attached to silicon by carbon-silicon linkages and are selected from the group consisting of the radicals defined by R hereinabove.

Claim 74

a mixture of the reaction product of (10) and a member selected from the organotrihalosilane and diorganodihalosilane, and where the organo radicals of the organohalosilane and said uncured silicone resin are attached to silicon by carbon-silicon linkages and are selected from the group consisting of the radicals defined by R hereinabove.

Claim 75

A MIXTURE OF THE REACTION PRODUCT OF (10) AND A MEMBER SELECTED FROM THE ORGANOTRIHALOSILANE AND DIORGANODIHALOSILANE, AND WHERE THE ORGANO RADICALS OF THE ORGANOHALOSILANE AND SAID UNCURED SILICONE RESIN ARE ATTACHED TO SILICON BY CARBON-SILICON LINKAGES AND ARE SELECTED FROM THE GROUP CONSISTING OF THE RADICALS DEFINED BY R HEREINABOVE.

Claim 76

A MIXTURE OF THE REACTION PRODUCT OF (10) AND A MEMBER SELECTED FROM THE ORGANOTRIHALOSILANE AND DIORGANODIHALOSILANE, AND WHERE THE ORGANO RADICALS OF THE ORGANOHALOSILANE AND SAID UNCURED SILICONE RESIN ARE ATTACHED TO SILICON BY CARBON-SILICON LINKAGES AND ARE SELECTED FROM THE GROUP CONSISTING OF THE RADICALS DEFINED BY R HEREINABOVE.